Wash. Rev. Code § 18.83A.060
(2) To exercise the temporary authorization to practice under the terms and provisions of the psychology interjurisdictional compact, a psychologist licensed to practice in a compact state must:
(a) Hold a graduate degree in psychology from an institute of higher education that was, at the time the degree was awarded:
(b) Hold a graduate degree in psychology that meets the following criteria:
[ 2022 c 5 s 6.]